STATE OF NORTH DAKOTA PUBLIC SERVICE COMMISSION Otter Tail Power Company Case No. PU-22-87 Generation Resource Cost Recovery Rates NOTICE OF OPPORTUNITY FOR HEARING March 30, 2022 On March 1, 2022, Otter Tail Power Company (OTP) filed an annual update under its Generation Resource Cost Recovery (GRCR) tariff. The proposed rate update for 2022 includes actual and forecasted costs through June 2023 for the Astoria Station Natural Gas Plant project (Astoria Station) and net savings associated with the retirement of OTP’s Hoot Lake Plant. OTP proposes to recover approximately $3,286,266 during the recovery period of July 1, 2022 through June 2023. The decrease for a residential customer using 1,000 kWh would be $1.69 per month. The issues to be considered in this proceeding are: 1. Whether the investments and associated costs for the resources qualify for recovery, 2. Whether the incurred costs are reasonable and prudent, and 3. Whether the rate adjustments are consistent with the terms of OTP’s tariff. Those interested are invited to comment on the application in writing. Persons desiring a hearing must file a written request identifying their interest in the proceeding and the reasons for requesting a hearing. Comments and requests for hearing must be received by May 9, 2022. If deemed appropriate, the Commission can determine the matter without a hearing. For more information contact the Public Service Commission, State Capitol, Bismarck, North Dakota 58505, 701-328-2400 or Relay North Dakota 1-800-366-6888 TTY. If you require any auxiliary aids or services, such as readers, signers, or Braille materials, please notify the Commission 24 hours in advance. PUBLIC SERVICE COMMISSION Randy Christmann Commissioner Julie Fedorchak Chair Sheri Haugen-Hoffart Commissioner (April 6, 2022) 48469